A322396 - cp's OEIS frontend

A322396 Number of unlabeled simple connected graphs with n vertices whose bridges are all leaves, meaning at least one end of any bridge is an endpoint of the graph.

n	a(n)
0	1
1	1
2	1
3	2
4	5
5	18
6	98
7	779
8	10589
9	255790
10	11633297
11	1004417286
12	163944008107
13	50324877640599
14	29001521193534445
15	31396727025729968365
16	63969154112074956299242
17	245871360738448777028919520
18	1787330701747389106609369225312
19	24636017249593067184544456944967278

[1, 1, 1, 2, 5, 18, 98, 779, 10589, 255790, 11633297, 1004417286, 163944008107, 50324877640599, 29001521193534445, 31396727025729968365, 63969154112074956299242, 245871360738448777028919520, 1787330701747389106609369225312, 24636017249593067184544456944967278]

cp's OEIS Frontend

A322396 Number of unlabeled simple connected graphs with n vertices whose bridges are all leaves, meaning at least one end of any bridge is an endpoint of the graph.

Table of values

List of values